------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- M A K E U T L --
-- --
-- B o d y --
-- --
-- Copyright (C) 2004-2010, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING3. If not, go to --
-- http://www.gnu.org/licenses for a complete copy of the license. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with ALI; use ALI;
with Debug;
with Fname;
with Hostparm;
with Osint; use Osint;
with Output; use Output;
with Opt; use Opt;
with Prj.Ext;
with Prj.Util;
with Snames; use Snames;
with Table;
with Tempdir;
with Ada.Command_Line; use Ada.Command_Line;
with GNAT.Case_Util; use GNAT.Case_Util;
with GNAT.Directory_Operations; use GNAT.Directory_Operations;
with GNAT.HTable;
package body Makeutl is
type Mark_Key is record
File : File_Name_Type;
Index : Int;
end record;
-- Identify either a mono-unit source (when Index = 0) or a specific unit
-- (index = 1's origin index of unit) in a multi-unit source.
-- There follow many global undocumented declarations, comments needed ???
Max_Mask_Num : constant := 2048;
subtype Mark_Num is Union_Id range 0 .. Max_Mask_Num - 1;
function Hash (Key : Mark_Key) return Mark_Num;
package Marks is new GNAT.HTable.Simple_HTable
(Header_Num => Mark_Num,
Element => Boolean,
No_Element => False,
Key => Mark_Key,
Hash => Hash,
Equal => "=");
-- A hash table to keep tracks of the marked units
type Linker_Options_Data is record
Project : Project_Id;
Options : String_List_Id;
end record;
Linker_Option_Initial_Count : constant := 20;
Linker_Options_Buffer : String_List_Access :=
new String_List (1 .. Linker_Option_Initial_Count);
Last_Linker_Option : Natural := 0;
package Linker_Opts is new Table.Table (
Table_Component_Type => Linker_Options_Data,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 10,
Table_Increment => 100,
Table_Name => "Make.Linker_Opts");
procedure Add_Linker_Option (Option : String);
---------
-- Add --
---------
procedure Add
(Option : String_Access;
To : in out String_List_Access;
Last : in out Natural)
is
begin
if Last = To'Last then
declare
New_Options : constant String_List_Access :=
new String_List (1 .. To'Last * 2);
begin
New_Options (To'Range) := To.all;
-- Set all elements of the original options to null to avoid
-- deallocation of copies.
To.all := (others => null);
Free (To);
To := New_Options;
end;
end if;
Last := Last + 1;
To (Last) := Option;
end Add;
procedure Add
(Option : String;
To : in out String_List_Access;
Last : in out Natural)
is
begin
Add (Option => new String'(Option), To => To, Last => Last);
end Add;
-----------------------
-- Add_Linker_Option --
-----------------------
procedure Add_Linker_Option (Option : String) is
begin
if Option'Length > 0 then
if Last_Linker_Option = Linker_Options_Buffer'Last then
declare
New_Buffer : constant String_List_Access :=
new String_List
(1 .. Linker_Options_Buffer'Last +
Linker_Option_Initial_Count);
begin
New_Buffer (Linker_Options_Buffer'Range) :=
Linker_Options_Buffer.all;
Linker_Options_Buffer.all := (others => null);
Free (Linker_Options_Buffer);
Linker_Options_Buffer := New_Buffer;
end;
end if;
Last_Linker_Option := Last_Linker_Option + 1;
Linker_Options_Buffer (Last_Linker_Option) := new String'(Option);
end if;
end Add_Linker_Option;
-------------------------
-- Base_Name_Index_For --
-------------------------
function Base_Name_Index_For
(Main : String;
Main_Index : Int;
Index_Separator : Character) return File_Name_Type
is
Result : File_Name_Type;
begin
Name_Len := 0;
Add_Str_To_Name_Buffer (Base_Name (Main));
-- Remove the extension, if any, that is the last part of the base name
-- starting with a dot and following some characters.
for J in reverse 2 .. Name_Len loop
if Name_Buffer (J) = '.' then
Name_Len := J - 1;
exit;
end if;
end loop;
-- Add the index info, if index is different from 0
if Main_Index > 0 then
Add_Char_To_Name_Buffer (Index_Separator);
declare
Img : constant String := Main_Index'Img;
begin
Add_Str_To_Name_Buffer (Img (2 .. Img'Last));
end;
end if;
Result := Name_Find;
return Result;
end Base_Name_Index_For;
------------------------------
-- Check_Source_Info_In_ALI --
------------------------------
function Check_Source_Info_In_ALI
(The_ALI : ALI_Id;
Tree : Project_Tree_Ref) return Boolean
is
Unit_Name : Name_Id;
begin
-- Loop through units
for U in ALIs.Table (The_ALI).First_Unit ..
ALIs.Table (The_ALI).Last_Unit
loop
-- Check if the file name is one of the source of the unit
Get_Name_String (Units.Table (U).Uname);
Name_Len := Name_Len - 2;
Unit_Name := Name_Find;
if File_Not_A_Source_Of (Unit_Name, Units.Table (U).Sfile) then
return False;
end if;
-- Loop to do same check for each of the withed units
for W in Units.Table (U).First_With .. Units.Table (U).Last_With loop
declare
WR : ALI.With_Record renames Withs.Table (W);
begin
if WR.Sfile /= No_File then
Get_Name_String (WR.Uname);
Name_Len := Name_Len - 2;
Unit_Name := Name_Find;
if File_Not_A_Source_Of (Unit_Name, WR.Sfile) then
return False;
end if;
end if;
end;
end loop;
end loop;
-- Loop to check subunits and replaced sources
for D in ALIs.Table (The_ALI).First_Sdep ..
ALIs.Table (The_ALI).Last_Sdep
loop
declare
SD : Sdep_Record renames Sdep.Table (D);
begin
Unit_Name := SD.Subunit_Name;
if Unit_Name = No_Name then
-- Check if this source file has been replaced by a source with
-- a different file name.
if Tree /= null and then Tree.Replaced_Source_Number > 0 then
declare
Replacement : constant File_Name_Type :=
Replaced_Source_HTable.Get
(Tree.Replaced_Sources, SD.Sfile);
begin
if Replacement /= No_File then
if Verbose_Mode then
Write_Line
("source file" &
Get_Name_String (SD.Sfile) &
" has been replaced by " &
Get_Name_String (Replacement));
end if;
return False;
end if;
end;
end if;
else
-- For separates, the file is no longer associated with the
-- unit ("proc-sep.adb" is not associated with unit "proc.sep")
-- so we need to check whether the source file still exists in
-- the source tree: it will if it matches the naming scheme
-- (and then will be for the same unit).
if Find_Source
(In_Tree => Project_Tree,
Project => No_Project,
Base_Name => SD.Sfile) = No_Source
then
-- If this is not a runtime file or if, when gnatmake switch
-- -a is used, we are not able to find this subunit in the
-- source directories, then recompilation is needed.
if not Fname.Is_Internal_File_Name (SD.Sfile)
or else
(Check_Readonly_Files
and then Full_Source_Name (SD.Sfile) = No_File)
then
if Verbose_Mode then
Write_Line
("While parsing ALI file, file "
& Get_Name_String (SD.Sfile)
& " is indicated as containing subunit "
& Get_Name_String (Unit_Name)
& " but this does not match what was found while"
& " parsing the project. Will recompile");
end if;
return False;
end if;
end if;
end if;
end;
end loop;
return True;
end Check_Source_Info_In_ALI;
--------------------------------
-- Create_Binder_Mapping_File --
--------------------------------
function Create_Binder_Mapping_File return Path_Name_Type is
Mapping_Path : Path_Name_Type := No_Path;
Mapping_FD : File_Descriptor := Invalid_FD;
-- A File Descriptor for an eventual mapping file
ALI_Unit : Unit_Name_Type := No_Unit_Name;
-- The unit name of an ALI file
ALI_Name : File_Name_Type := No_File;
-- The file name of the ALI file
ALI_Project : Project_Id := No_Project;
-- The project of the ALI file
Bytes : Integer;
OK : Boolean := False;
Unit : Unit_Index;
Status : Boolean;
-- For call to Close
begin
Tempdir.Create_Temp_File (Mapping_FD, Mapping_Path);
Record_Temp_File (Project_Tree, Mapping_Path);
if Mapping_FD /= Invalid_FD then
OK := True;
-- Traverse all units
Unit := Units_Htable.Get_First (Project_Tree.Units_HT);
while Unit /= No_Unit_Index loop
if Unit.Name /= No_Name then
-- If there is a body, put it in the mapping
if Unit.File_Names (Impl) /= No_Source
and then Unit.File_Names (Impl).Project /= No_Project
then
Get_Name_String (Unit.Name);
Add_Str_To_Name_Buffer ("%b");
ALI_Unit := Name_Find;
ALI_Name :=
Lib_File_Name (Unit.File_Names (Impl).Display_File);
ALI_Project := Unit.File_Names (Impl).Project;
-- Otherwise, if there is a spec, put it in the mapping
elsif Unit.File_Names (Spec) /= No_Source
and then Unit.File_Names (Spec).Project /= No_Project
then
Get_Name_String (Unit.Name);
Add_Str_To_Name_Buffer ("%s");
ALI_Unit := Name_Find;
ALI_Name :=
Lib_File_Name (Unit.File_Names (Spec).Display_File);
ALI_Project := Unit.File_Names (Spec).Project;
else
ALI_Name := No_File;
end if;
-- If we have something to put in the mapping then do it now.
-- However, if the project is extended, we don't put anything
-- in the mapping file, since we don't know where the ALI file
-- is: it might be in the extended project object directory as
-- well as in the extending project object directory.
if ALI_Name /= No_File
and then ALI_Project.Extended_By = No_Project
and then ALI_Project.Extends = No_Project
then
-- First check if the ALI file exists. If it does not, do
-- not put the unit in the mapping file.
declare
ALI : constant String := Get_Name_String (ALI_Name);
begin
-- For library projects, use the library ALI directory,
-- for other projects, use the object directory.
if ALI_Project.Library then
Get_Name_String
(ALI_Project.Library_ALI_Dir.Display_Name);
else
Get_Name_String
(ALI_Project.Object_Directory.Display_Name);
end if;
if not
Is_Directory_Separator (Name_Buffer (Name_Len))
then
Add_Char_To_Name_Buffer (Directory_Separator);
end if;
Add_Str_To_Name_Buffer (ALI);
Add_Char_To_Name_Buffer (ASCII.LF);
declare
ALI_Path_Name : constant String :=
Name_Buffer (1 .. Name_Len);
begin
if Is_Regular_File
(ALI_Path_Name (1 .. ALI_Path_Name'Last - 1))
then
-- First line is the unit name
Get_Name_String (ALI_Unit);
Add_Char_To_Name_Buffer (ASCII.LF);
Bytes :=
Write
(Mapping_FD,
Name_Buffer (1)'Address,
Name_Len);
OK := Bytes = Name_Len;
exit when not OK;
-- Second line it the ALI file name
Get_Name_String (ALI_Name);
Add_Char_To_Name_Buffer (ASCII.LF);
Bytes :=
Write
(Mapping_FD,
Name_Buffer (1)'Address,
Name_Len);
OK := (Bytes = Name_Len);
exit when not OK;
-- Third line it the ALI path name
Bytes :=
Write
(Mapping_FD,
ALI_Path_Name (1)'Address,
ALI_Path_Name'Length);
OK := (Bytes = ALI_Path_Name'Length);
-- If OK is False, it means we were unable to
-- write a line. No point in continuing with the
-- other units.
exit when not OK;
end if;
end;
end;
end if;
end if;
Unit := Units_Htable.Get_Next (Project_Tree.Units_HT);
end loop;
Close (Mapping_FD, Status);
OK := OK and Status;
end if;
-- If the creation of the mapping file was successful, we add the switch
-- to the arguments of gnatbind.
if OK then
return Mapping_Path;
else
return No_Path;
end if;
end Create_Binder_Mapping_File;
-----------------
-- Create_Name --
-----------------
function Create_Name (Name : String) return File_Name_Type is
begin
Name_Len := 0;
Add_Str_To_Name_Buffer (Name);
return Name_Find;
end Create_Name;
function Create_Name (Name : String) return Name_Id is
begin
Name_Len := 0;
Add_Str_To_Name_Buffer (Name);
return Name_Find;
end Create_Name;
function Create_Name (Name : String) return Path_Name_Type is
begin
Name_Len := 0;
Add_Str_To_Name_Buffer (Name);
return Name_Find;
end Create_Name;
----------------------
-- Delete_All_Marks --
----------------------
procedure Delete_All_Marks is
begin
Marks.Reset;
end Delete_All_Marks;
----------------------------
-- Executable_Prefix_Path --
----------------------------
function Executable_Prefix_Path return String is
Exec_Name : constant String := Command_Name;
function Get_Install_Dir (S : String) return String;
-- S is the executable name preceded by the absolute or relative path,
-- e.g. "c:\usr\bin\gcc.exe". Returns the absolute directory where "bin"
-- lies (in the example "C:\usr"). If the executable is not in a "bin"
-- directory, return "".
---------------------
-- Get_Install_Dir --
---------------------
function Get_Install_Dir (S : String) return String is
Exec : String := S;
Path_Last : Integer := 0;
begin
for J in reverse Exec'Range loop
if Exec (J) = Directory_Separator then
Path_Last := J - 1;
exit;
end if;
end loop;
if Path_Last >= Exec'First + 2 then
To_Lower (Exec (Path_Last - 2 .. Path_Last));
end if;
if Path_Last < Exec'First + 2
or else Exec (Path_Last - 2 .. Path_Last) /= "bin"
or else (Path_Last - 3 >= Exec'First
and then Exec (Path_Last - 3) /= Directory_Separator)
then
return "";
end if;
return Normalize_Pathname
(Exec (Exec'First .. Path_Last - 4),
Resolve_Links => Opt.Follow_Links_For_Dirs)
& Directory_Separator;
end Get_Install_Dir;
-- Beginning of Executable_Prefix_Path
begin
-- For VMS, the path returned is always /gnu/
if Hostparm.OpenVMS then
return "/gnu/";
end if;
-- First determine if a path prefix was placed in front of the
-- executable name.
for J in reverse Exec_Name'Range loop
if Exec_Name (J) = Directory_Separator then
return Get_Install_Dir (Exec_Name);
end if;
end loop;
-- If we get here, the user has typed the executable name with no
-- directory prefix.
declare
Path : String_Access := Locate_Exec_On_Path (Exec_Name);
begin
if Path = null then
return "";
else
declare
Dir : constant String := Get_Install_Dir (Path.all);
begin
Free (Path);
return Dir;
end;
end if;
end;
end Executable_Prefix_Path;
--------------------------
-- File_Not_A_Source_Of --
--------------------------
function File_Not_A_Source_Of
(Uname : Name_Id;
Sfile : File_Name_Type) return Boolean
is
Unit : constant Unit_Index :=
Units_Htable.Get (Project_Tree.Units_HT, Uname);
At_Least_One_File : Boolean := False;
begin
if Unit /= No_Unit_Index then
for F in Unit.File_Names'Range loop
if Unit.File_Names (F) /= null then
At_Least_One_File := True;
if Unit.File_Names (F).File = Sfile then
return False;
end if;
end if;
end loop;
if not At_Least_One_File then
-- The unit was probably created initially for a separate unit
-- (which are initially created as IMPL when both suffixes are the
-- same). Later on, Override_Kind changed the type of the file,
-- and the unit is no longer valid in fact.
return False;
end if;
Verbose_Msg (Uname, "sources do not include ", Name_Id (Sfile));
return True;
end if;
return False;
end File_Not_A_Source_Of;
----------
-- Hash --
----------
function Hash (Key : Mark_Key) return Mark_Num is
begin
return Union_Id (Key.File) mod Max_Mask_Num;
end Hash;
------------
-- Inform --
------------
procedure Inform (N : File_Name_Type; Msg : String) is
begin
Inform (Name_Id (N), Msg);
end Inform;
procedure Inform (N : Name_Id := No_Name; Msg : String) is
begin
Osint.Write_Program_Name;
Write_Str (": ");
if N /= No_Name then
Write_Str ("""");
declare
Name : constant String := Get_Name_String (N);
begin
if Debug.Debug_Flag_F and then Is_Absolute_Path (Name) then
Write_Str (File_Name (Name));
else
Write_Str (Name);
end if;
end;
Write_Str (""" ");
end if;
Write_Str (Msg);
Write_Eol;
end Inform;
----------------------------
-- Is_External_Assignment --
----------------------------
function Is_External_Assignment
(Tree : Prj.Tree.Project_Node_Tree_Ref;
Argv : String) return Boolean
is
Start : Positive := 3;
Finish : Natural := Argv'Last;
pragma Assert (Argv'First = 1);
pragma Assert (Argv (1 .. 2) = "-X");
begin
if Argv'Last < 5 then
return False;
elsif Argv (3) = '"' then
if Argv (Argv'Last) /= '"' or else Argv'Last < 7 then
return False;
else
Start := 4;
Finish := Argv'Last - 1;
end if;
end if;
return Prj.Ext.Check
(Tree => Tree,
Declaration => Argv (Start .. Finish));
end Is_External_Assignment;
---------------
-- Is_Marked --
---------------
function Is_Marked
(Source_File : File_Name_Type;
Index : Int := 0) return Boolean
is
begin
return Marks.Get (K => (File => Source_File, Index => Index));
end Is_Marked;
-----------------------------
-- Linker_Options_Switches --
-----------------------------
function Linker_Options_Switches
(Project : Project_Id;
In_Tree : Project_Tree_Ref) return String_List
is
procedure Recursive_Add (Proj : Project_Id; Dummy : in out Boolean);
-- The recursive routine used to add linker options
-------------------
-- Recursive_Add --
-------------------
procedure Recursive_Add (Proj : Project_Id; Dummy : in out Boolean) is
pragma Unreferenced (Dummy);
Linker_Package : Package_Id;
Options : Variable_Value;
begin
Linker_Package :=
Prj.Util.Value_Of
(Name => Name_Linker,
In_Packages => Proj.Decl.Packages,
In_Tree => In_Tree);
Options :=
Prj.Util.Value_Of
(Name => Name_Ada,
Index => 0,
Attribute_Or_Array_Name => Name_Linker_Options,
In_Package => Linker_Package,
In_Tree => In_Tree);
-- If attribute is present, add the project with
-- the attribute to table Linker_Opts.
if Options /= Nil_Variable_Value then
Linker_Opts.Increment_Last;
Linker_Opts.Table (Linker_Opts.Last) :=
(Project => Proj, Options => Options.Values);
end if;
end Recursive_Add;
procedure For_All_Projects is
new For_Every_Project_Imported (Boolean, Recursive_Add);
Dummy : Boolean := False;
-- Start of processing for Linker_Options_Switches
begin
Linker_Opts.Init;
For_All_Projects (Project, Dummy, Imported_First => True);
Last_Linker_Option := 0;
for Index in reverse 1 .. Linker_Opts.Last loop
declare
Options : String_List_Id;
Proj : constant Project_Id :=
Linker_Opts.Table (Index).Project;
Option : Name_Id;
Dir_Path : constant String :=
Get_Name_String (Proj.Directory.Name);
begin
Options := Linker_Opts.Table (Index).Options;
while Options /= Nil_String loop
Option := In_Tree.String_Elements.Table (Options).Value;
Get_Name_String (Option);
-- Do not consider empty linker options
if Name_Len /= 0 then
Add_Linker_Option (Name_Buffer (1 .. Name_Len));
-- Object files and -L switches specified with relative
-- paths must be converted to absolute paths.
Test_If_Relative_Path
(Switch => Linker_Options_Buffer (Last_Linker_Option),
Parent => Dir_Path,
Including_L_Switch => True);
end if;
Options := In_Tree.String_Elements.Table (Options).Next;
end loop;
end;
end loop;
return Linker_Options_Buffer (1 .. Last_Linker_Option);
end Linker_Options_Switches;
-----------
-- Mains --
-----------
package body Mains is
type File_And_Loc is record
File_Name : File_Name_Type;
Index : Int := 0;
Location : Source_Ptr := No_Location;
end record;
package Names is new Table.Table
(Table_Component_Type => File_And_Loc,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 10,
Table_Increment => 100,
Table_Name => "Makeutl.Mains.Names");
-- The table that stores the mains
Current : Natural := 0;
-- The index of the last main retrieved from the table
--------------
-- Add_Main --
--------------
procedure Add_Main (Name : String) is
begin
Name_Len := 0;
Add_Str_To_Name_Buffer (Name);
Names.Increment_Last;
Names.Table (Names.Last) := (Name_Find, 0, No_Location);
end Add_Main;
------------
-- Delete --
------------
procedure Delete is
begin
Names.Set_Last (0);
Mains.Reset;
end Delete;
---------------
-- Get_Index --
---------------
function Get_Index return Int is
begin
if Current in Names.First .. Names.Last then
return Names.Table (Current).Index;
else
return 0;
end if;
end Get_Index;
------------------
-- Get_Location --
------------------
function Get_Location return Source_Ptr is
begin
if Current in Names.First .. Names.Last then
return Names.Table (Current).Location;
else
return No_Location;
end if;
end Get_Location;
---------------
-- Next_Main --
---------------
function Next_Main return String is
begin
if Current >= Names.Last then
return "";
else
Current := Current + 1;
return Get_Name_String (Names.Table (Current).File_Name);
end if;
end Next_Main;
---------------------
-- Number_Of_Mains --
---------------------
function Number_Of_Mains return Natural is
begin
return Names.Last;
end Number_Of_Mains;
-----------
-- Reset --
-----------
procedure Reset is
begin
Current := 0;
end Reset;
---------------
-- Set_Index --
---------------
procedure Set_Index (Index : Int) is
begin
if Names.Last > 0 then
Names.Table (Names.Last).Index := Index;
end if;
end Set_Index;
------------------
-- Set_Location --
------------------
procedure Set_Location (Location : Source_Ptr) is
begin
if Names.Last > 0 then
Names.Table (Names.Last).Location := Location;
end if;
end Set_Location;
-----------------
-- Update_Main --
-----------------
procedure Update_Main (Name : String) is
begin
if Current in Names.First .. Names.Last then
Name_Len := 0;
Add_Str_To_Name_Buffer (Name);
Names.Table (Current).File_Name := Name_Find;
end if;
end Update_Main;
end Mains;
----------
-- Mark --
----------
procedure Mark (Source_File : File_Name_Type; Index : Int := 0) is
begin
Marks.Set (K => (File => Source_File, Index => Index), E => True);
end Mark;
-----------------------
-- Path_Or_File_Name --
-----------------------
function Path_Or_File_Name (Path : Path_Name_Type) return String is
Path_Name : constant String := Get_Name_String (Path);
begin
if Debug.Debug_Flag_F then
return File_Name (Path_Name);
else
return Path_Name;
end if;
end Path_Or_File_Name;
---------------------------
-- Test_If_Relative_Path --
---------------------------
procedure Test_If_Relative_Path
(Switch : in out String_Access;
Parent : String;
Including_L_Switch : Boolean := True;
Including_Non_Switch : Boolean := True;
Including_RTS : Boolean := False)
is
begin
if Switch /= null then
declare
Sw : String (1 .. Switch'Length);
Start : Positive;
begin
Sw := Switch.all;
if Sw (1) = '-' then
if Sw'Length >= 3
and then (Sw (2) = 'A'
or else Sw (2) = 'I'
or else (Including_L_Switch and then Sw (2) = 'L'))
then
Start := 3;
if Sw = "-I-" then
return;
end if;
elsif Sw'Length >= 4
and then (Sw (2 .. 3) = "aL"
or else Sw (2 .. 3) = "aO"
or else Sw (2 .. 3) = "aI")
then
Start := 4;
elsif Including_RTS
and then Sw'Length >= 7
and then Sw (2 .. 6) = "-RTS="
then
Start := 7;
else
return;
end if;
-- Because relative path arguments to --RTS= may be relative
-- to the search directory prefix, those relative path
-- arguments are converted only when they include directory
-- information.
if not Is_Absolute_Path (Sw (Start .. Sw'Last)) then
if Parent'Length = 0 then
Do_Fail
("relative search path switches ("""
& Sw
& """) are not allowed");
elsif Including_RTS then
for J in Start .. Sw'Last loop
if Sw (J) = Directory_Separator then
Switch :=
new String'
(Sw (1 .. Start - 1) &
Parent &
Directory_Separator &
Sw (Start .. Sw'Last));
return;
end if;
end loop;
else
Switch :=
new String'
(Sw (1 .. Start - 1) &
Parent &
Directory_Separator &
Sw (Start .. Sw'Last));
end if;
end if;
elsif Including_Non_Switch then
if not Is_Absolute_Path (Sw) then
if Parent'Length = 0 then
Do_Fail
("relative paths (""" & Sw & """) are not allowed");
else
Switch := new String'(Parent & Directory_Separator & Sw);
end if;
end if;
end if;
end;
end if;
end Test_If_Relative_Path;
-------------------
-- Unit_Index_Of --
-------------------
function Unit_Index_Of (ALI_File : File_Name_Type) return Int is
Start : Natural;
Finish : Natural;
Result : Int := 0;
begin
Get_Name_String (ALI_File);
-- First, find the last dot
Finish := Name_Len;
while Finish >= 1 and then Name_Buffer (Finish) /= '.' loop
Finish := Finish - 1;
end loop;
if Finish = 1 then
return 0;
end if;
-- Now check that the dot is preceded by digits
Start := Finish;
Finish := Finish - 1;
while Start >= 1 and then Name_Buffer (Start - 1) in '0' .. '9' loop
Start := Start - 1;
end loop;
-- If there are no digits, or if the digits are not preceded by the
-- character that precedes a unit index, this is not the ALI file of
-- a unit in a multi-unit source.
if Start > Finish
or else Start = 1
or else Name_Buffer (Start - 1) /= Multi_Unit_Index_Character
then
return 0;
end if;
-- Build the index from the digit(s)
while Start <= Finish loop
Result := Result * 10 +
Character'Pos (Name_Buffer (Start)) - Character'Pos ('0');
Start := Start + 1;
end loop;
return Result;
end Unit_Index_Of;
-----------------
-- Verbose_Msg --
-----------------
procedure Verbose_Msg
(N1 : Name_Id;
S1 : String;
N2 : Name_Id := No_Name;
S2 : String := "";
Prefix : String := " -> ";
Minimum_Verbosity : Opt.Verbosity_Level_Type := Opt.Low)
is
begin
if not Opt.Verbose_Mode
or else Minimum_Verbosity > Opt.Verbosity_Level
then
return;
end if;
Write_Str (Prefix);
Write_Str ("""");
Write_Name (N1);
Write_Str (""" ");
Write_Str (S1);
if N2 /= No_Name then
Write_Str (" """);
Write_Name (N2);
Write_Str (""" ");
end if;
Write_Str (S2);
Write_Eol;
end Verbose_Msg;
procedure Verbose_Msg
(N1 : File_Name_Type;
S1 : String;
N2 : File_Name_Type := No_File;
S2 : String := "";
Prefix : String := " -> ";
Minimum_Verbosity : Opt.Verbosity_Level_Type := Opt.Low)
is
begin
Verbose_Msg
(Name_Id (N1), S1, Name_Id (N2), S2, Prefix, Minimum_Verbosity);
end Verbose_Msg;
end Makeutl;